Dinklageodoxa scandens
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| Heine & Sandwith |
Dinklageodoxa scandens is the only species of the plant genus Dinklageodoxa withinthe trumpet tree family (Bignoniaceae). It is endemic to Liberia and only occurs near Monrovia .
description
Vegetative characteristics
Dinklageodoxa scandens is a liana . The shoot axes are bare. The opposite leaves are arranged unpaired feathery. The leaf blade consists of one to two pairs of leaflets . The leaflets are long-elliptical with a length of 7 to 18 centimeters and a width of 2.5 to 6 centimeters.
Generative characteristics
The terminal inflorescences are thyrsenic , which contain bracts and ten to twenty flowers. The flower stalk is 7 to 9 millimeters long.
The hermaphrodite flowers are five-fold with a double flower envelope . The five sepals are fused bell-shaped. The tubular to bell-shaped crown is white, the base is lavender on the outside and purple lines and dots on the inside; it is two-lipped. The four stamens do not protrude beyond the crown. The dust bags are bare and have two straight bars. There is a staminodium present. The discus is egg-shaped. The upper permanent ovary is elliptical, bare and includes a plurality of ovules .
Ripe fruits of this kind are unknown.
Occurrence
The endemic Dinklageodoxa scandens occurs only near Monrovia in Liberia . There it grows as a liana in trees of the coastal savannahs .
Systematics
The genus Dinklageodoxa was established in 1962 with the first description of the species Dinklageodoxa scandens by Hermann Heino Heine and Noel Yvri Sandwith in A New Genus of Bignoniaceae from Liberia in Kew Bulletin , Volume 16, Issue 2, pages 223-226 (Figures 1 and 2). The generic name Dinklageodoxa honors the German merchant Max Julius Dinklage (1864–1935), who collected plants in Liberia. The specific epithet scandens means "climbing". Synonyms for Dinklageodoxa scandens Heine & Sandwith are: Kigelia dinklagei Aubrév. & Pellegr. , Dinklageanthus volubilis Melch. ex Dinkl. & Mildbr.
Dinklageodoxa scandens is the only species of the genus Dinklageodoxa that belongs to the tribe Tecomeae within the family Bignoniaceae .
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literature
- E. Fischer, I. Theisen, LG Lohmann: Bignoniaceae . In: Klaus Kubitzki, Joachim W. Kadereit (Eds.): The Families and Genera of Vascular Plants . Flowering Plants - Dicotyledons: Lamiales (except Acanthaceae including Avicenniaceae) . tape 7 . Springer Science & Business Media, 2004, ISBN 978-3-540-40593-1 , pp. 16 ( Dinklageodoxa on p. 17 in the Google book search).
- Hermann Heino Heine , Noel Yvri Sandwith : A New Genus of Bignoniaceae from Liberia in Kew Bulletin , Volume 16, Issue 2, pages 223-226. JSTOR 4118822
Individual evidence
- ↑ a b c d Dinklageodoxa and Dinklageodoxa scandens In: J. Hutchinson, JM Dalziel, RWJ Keay, N. Heppe, (Eds.): Flora of West Tropical Africa , Volume 2, 1972. InternetArchive for http: //www.aluka .org / action / showMetadata? doi = 10.5555 / AL.AP.FLORA.FWTA6739 & pgs = .
- ↑ Rafaël Govaerts (ed.): Dinklageodoxa. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved December 20, 2019.
- ^ Dinklageodoxa scandens at Tropicos.org. Missouri Botanical Garden, St. Louis, Retrieved December 20, 2019.
- ↑ Lotte Burkhardt: Directory of eponymous plant names. from Botanical Gardens and Botanical Museum Berlin, Free University Berlin, 2016, ISBN 978-3-946292-10-4 . doi : 10.3372 / epolist2016 .